[ 4435.481712][T29141] gre: GRE over IPv4 demultiplexer driver
[ 4437.167934][T29164] ip_gre: GRE over IPv4 tunneling driver
[ 4487.052614][T29736] ip6_gre: GRE over IPv6 tunneling driver
[ 4521.752196][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4526.744102][    C1] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4531.032119][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 4536.089078][    C3] ip6_tunnel: tep0 xmit: Local address not yet configured!